CA573242A - Masque a ouverture - Google Patents

Masque a ouverture

Info

Publication number
CA573242A
CA573242A CA573242A CA573242DA CA573242A CA 573242 A CA573242 A CA 573242A CA 573242 A CA573242 A CA 573242A CA 573242D A CA573242D A CA 573242DA CA 573242 A CA573242 A CA 573242A
Authority
CA
Canada
Prior art keywords
apertured mask
apertured
mask
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
CA573242A
Other languages
English (en)
Inventor
W. Palmer Earl
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.)
American Brass Co
Original Assignee
American Brass Co
Publication date
Application granted granted Critical
Publication of CA573242A publication Critical patent/CA573242A/fr
Expired legal-status Critical Current

Links

CA573242A Masque a ouverture Expired CA573242A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA573242T

Publications (1)

Publication Number Publication Date
CA573242A true CA573242A (fr) 1959-03-31

Family

ID=35749086

Family Applications (1)

Application Number Title Priority Date Filing Date
CA573242A Expired CA573242A (fr) Masque a ouverture

Country Status (1)

Country Link
CA (1) CA573242A (fr)

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