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ES231390Y - BLACKBOARD PERFECTED FOR WRITING. - Google Patents

BLACKBOARD PERFECTED FOR WRITING.

Info

Publication number
ES231390Y
ES231390Y ES1977231390U ES231390U ES231390Y ES 231390 Y ES231390 Y ES 231390Y ES 1977231390 U ES1977231390 U ES 1977231390U ES 231390 U ES231390 U ES 231390U ES 231390 Y ES231390 Y ES 231390Y
Authority
ES
Spain
Prior art keywords
blackboard
perfected
writing
blackboard perfected
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
ES1977231390U
Other languages
Spanish (es)
Other versions
ES231390U (en
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 filed Critical
Priority to ES1977231390U priority Critical patent/ES231390Y/en
Publication of ES231390U publication Critical patent/ES231390U/en
Application granted granted Critical
Publication of ES231390Y publication Critical patent/ES231390Y/en
Expired legal-status Critical Current

Links

ES1977231390U 1977-09-30 1977-09-30 BLACKBOARD PERFECTED FOR WRITING. Expired ES231390Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES1977231390U ES231390Y (en) 1977-09-30 1977-09-30 BLACKBOARD PERFECTED FOR WRITING.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES1977231390U ES231390Y (en) 1977-09-30 1977-09-30 BLACKBOARD PERFECTED FOR WRITING.

Publications (2)

Publication Number Publication Date
ES231390U ES231390U (en) 1977-12-01
ES231390Y true ES231390Y (en) 1978-06-01

Family

ID=8392578

Family Applications (1)

Application Number Title Priority Date Filing Date
ES1977231390U Expired ES231390Y (en) 1977-09-30 1977-09-30 BLACKBOARD PERFECTED FOR WRITING.

Country Status (1)

Country Link
ES (1) ES231390Y (en)

Also Published As

Publication number Publication date
ES231390U (en) 1977-12-01

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