CH61501A - Sicherheitshutnadel - Google Patents

Sicherheitshutnadel

Info

Publication number
CH61501A
CH61501A CH61501A CH61501DA CH61501A CH 61501 A CH61501 A CH 61501A CH 61501 A CH61501 A CH 61501A CH 61501D A CH61501D A CH 61501DA CH 61501 A CH61501 A CH 61501A
Authority
CH
Switzerland
Prior art keywords
safety hat
hat pin
pin
safety
hat
Prior art date
Application number
CH61501A
Other languages
English (en)
Inventor
Friedrich Woersching
Original Assignee
Friedrich Woersching
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 Friedrich Woersching filed Critical Friedrich Woersching
Publication of CH61501A publication Critical patent/CH61501A/de

Links

CH61501A 1912-06-28 1912-06-28 Sicherheitshutnadel CH61501A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH61501T 1912-06-28

Publications (1)

Publication Number Publication Date
CH61501A true CH61501A (de) 1913-10-01

Family

ID=4305058

Family Applications (1)

Application Number Title Priority Date Filing Date
CH61501A CH61501A (de) 1912-06-28 1912-06-28 Sicherheitshutnadel

Country Status (1)

Country Link
CH (1) CH61501A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2538978A (en) * 1945-03-12 1951-01-23 Boeing Co Skew axis transmission

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2538978A (en) * 1945-03-12 1951-01-23 Boeing Co Skew axis transmission

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