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ES175474A1 - APPARATUS FOR THE CHECKING AND SELECTION OF ELECTRICAL CIRCUITS, ESPECIALLY APPLICABLE TO AUTOMATIC TELEPHONE SYSTEMS - Google Patents

APPARATUS FOR THE CHECKING AND SELECTION OF ELECTRICAL CIRCUITS, ESPECIALLY APPLICABLE TO AUTOMATIC TELEPHONE SYSTEMS

Info

Publication number
ES175474A1
ES175474A1 ES175474A ES175474A ES175474A1 ES 175474 A1 ES175474 A1 ES 175474A1 ES 175474 A ES175474 A ES 175474A ES 175474 A ES175474 A ES 175474A ES 175474 A1 ES175474 A1 ES 175474A1
Authority
ES
Spain
Prior art keywords
checking
selection
electrical circuits
telephone systems
especially applicable
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
ES175474A
Other languages
Spanish (es)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AT&T Corp
Original Assignee
Western Electric Co Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Western Electric Co Inc filed Critical Western Electric Co Inc
Priority to ES175474A priority Critical patent/ES175474A1/en
Publication of ES175474A1 publication Critical patent/ES175474A1/en
Expired legal-status Critical Current

Links

ES175474A 1946-10-17 1946-10-17 APPARATUS FOR THE CHECKING AND SELECTION OF ELECTRICAL CIRCUITS, ESPECIALLY APPLICABLE TO AUTOMATIC TELEPHONE SYSTEMS Expired ES175474A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES175474A ES175474A1 (en) 1946-10-17 1946-10-17 APPARATUS FOR THE CHECKING AND SELECTION OF ELECTRICAL CIRCUITS, ESPECIALLY APPLICABLE TO AUTOMATIC TELEPHONE SYSTEMS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES175474A ES175474A1 (en) 1946-10-17 1946-10-17 APPARATUS FOR THE CHECKING AND SELECTION OF ELECTRICAL CIRCUITS, ESPECIALLY APPLICABLE TO AUTOMATIC TELEPHONE SYSTEMS

Publications (1)

Publication Number Publication Date
ES175474A1 true ES175474A1 (en) 1946-12-01

Family

ID=65621843

Family Applications (1)

Application Number Title Priority Date Filing Date
ES175474A Expired ES175474A1 (en) 1946-10-17 1946-10-17 APPARATUS FOR THE CHECKING AND SELECTION OF ELECTRICAL CIRCUITS, ESPECIALLY APPLICABLE TO AUTOMATIC TELEPHONE SYSTEMS

Country Status (1)

Country Link
ES (1) ES175474A1 (en)

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