CA381895A - Chapeau protecteur - Google Patents

Chapeau protecteur

Info

Publication number
CA381895A
CA381895A CA381895A CA381895DA CA381895A CA 381895 A CA381895 A CA 381895A CA 381895 A CA381895 A CA 381895A CA 381895D A CA381895D A CA 381895DA CA 381895 A CA381895 A CA 381895A
Authority
CA
Canada
Prior art keywords
gear
protective head
protective
head
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
CA381895A
Other languages
English (en)
Inventor
B. Dym Joseph
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.)
MSA Safety Inc
Original Assignee
Mine Safety Appliances Co
Publication date
Application granted granted Critical
Publication of CA381895A publication Critical patent/CA381895A/fr
Expired legal-status Critical Current

Links

CA381895A Chapeau protecteur Expired CA381895A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA381895T

Publications (1)

Publication Number Publication Date
CA381895A true CA381895A (fr) 1939-06-06

Family

ID=35387130

Family Applications (1)

Application Number Title Priority Date Filing Date
CA381895A Expired CA381895A (fr) Chapeau protecteur

Country Status (1)

Country Link
CA (1) CA381895A (fr)

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