FR521623A - Safety device for doors - Google Patents

Safety device for doors

Info

Publication number
FR521623A
FR521623A FR521623A FR521623DA FR521623A FR 521623 A FR521623 A FR 521623A FR 521623 A FR521623 A FR 521623A FR 521623D A FR521623D A FR 521623DA FR 521623 A FR521623 A FR 521623A
Authority
FR
France
Prior art keywords
doors
safety device
safety
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
FR521623A
Other languages
French (fr)
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.)
DEFENSOR SICHERHEITS SCHLOSS G
Original Assignee
DEFENSOR SICHERHEITS SCHLOSS G
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 DEFENSOR SICHERHEITS SCHLOSS G filed Critical DEFENSOR SICHERHEITS SCHLOSS G
Application granted granted Critical
Publication of FR521623A publication Critical patent/FR521623A/en
Expired legal-status Critical Current

Links

FR521623A 1915-01-06 1920-07-30 Safety device for doors Expired FR521623A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE521623X 1915-01-06

Publications (1)

Publication Number Publication Date
FR521623A true FR521623A (en) 1921-07-16

Family

ID=6551425

Family Applications (1)

Application Number Title Priority Date Filing Date
FR521623A Expired FR521623A (en) 1915-01-06 1920-07-30 Safety device for doors

Country Status (1)

Country Link
FR (1) FR521623A (en)

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