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ES141812A3 - Improvements in the manufacture or frames of sight glass frames for protective gas masks. - Google Patents

Improvements in the manufacture or frames of sight glass frames for protective gas masks.

Info

Publication number
ES141812A3
ES141812A3 ES141812A ES141812A ES141812A3 ES 141812 A3 ES141812 A3 ES 141812A3 ES 141812 A ES141812 A ES 141812A ES 141812 A ES141812 A ES 141812A ES 141812 A3 ES141812 A3 ES 141812A3
Authority
ES
Spain
Prior art keywords
frames
manufacture
protective gas
sight glass
gas masks
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
ES141812A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to ES141812A priority Critical patent/ES141812A3/en
Publication of ES141812A3 publication Critical patent/ES141812A3/en
Expired legal-status Critical Current

Links

ES141812A 1936-03-28 1936-03-28 Improvements in the manufacture or frames of sight glass frames for protective gas masks. Expired ES141812A3 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES141812A ES141812A3 (en) 1936-03-28 1936-03-28 Improvements in the manufacture or frames of sight glass frames for protective gas masks.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES141812A ES141812A3 (en) 1936-03-28 1936-03-28 Improvements in the manufacture or frames of sight glass frames for protective gas masks.

Publications (1)

Publication Number Publication Date
ES141812A3 true ES141812A3 (en) 1936-06-16

Family

ID=69419280

Family Applications (1)

Application Number Title Priority Date Filing Date
ES141812A Expired ES141812A3 (en) 1936-03-28 1936-03-28 Improvements in the manufacture or frames of sight glass frames for protective gas masks.

Country Status (1)

Country Link
ES (1) ES141812A3 (en)

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