FR319821A - Barrière à fermeture automatique de sureté - Google Patents

Barrière à fermeture automatique de sureté

Info

Publication number
FR319821A
FR319821A FR319821DA FR319821A FR 319821 A FR319821 A FR 319821A FR 319821D A FR319821D A FR 319821DA FR 319821 A FR319821 A FR 319821A
Authority
FR
France
Prior art keywords
self
safety barrier
closing safety
closing
barrier
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
Other languages
English (en)
Inventor
Bloch
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
Application granted granted Critical
Publication of FR319821A publication Critical patent/FR319821A/fr
Expired legal-status Critical Current

Links

FR319821D 1902-03-21 1902-03-21 Barrière à fermeture automatique de sureté Expired FR319821A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR319821T 1902-03-21

Publications (1)

Publication Number Publication Date
FR319821A true FR319821A (fr) 1902-11-24

Family

ID=43347842

Family Applications (1)

Application Number Title Priority Date Filing Date
FR319821D Expired FR319821A (fr) 1902-03-21 1902-03-21 Barrière à fermeture automatique de sureté

Country Status (1)

Country Link
FR (1) FR319821A (fr)

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