CA473987A - Dispositifs d'expulsion - Google Patents

Dispositifs d'expulsion

Info

Publication number
CA473987A
CA473987A CA473987A CA473987DA CA473987A CA 473987 A CA473987 A CA 473987A CA 473987 A CA473987 A CA 473987A CA 473987D A CA473987D A CA 473987DA CA 473987 A CA473987 A CA 473987A
Authority
CA
Canada
Prior art keywords
expulsion devices
expulsion
devices
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
CA473987A
Other languages
English (en)
Inventor
D. Nelson Rolland
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.)
Canadian Line Materials Ltd
Original Assignee
Canadian Line Materials Ltd
Publication date
Application granted granted Critical
Publication of CA473987A publication Critical patent/CA473987A/fr
Expired legal-status Critical Current

Links

CA473987A Dispositifs d'expulsion Expired CA473987A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA473987T

Publications (1)

Publication Number Publication Date
CA473987A true CA473987A (fr) 1951-05-29

Family

ID=35607962

Family Applications (1)

Application Number Title Priority Date Filing Date
CA473987A Expired CA473987A (fr) Dispositifs d'expulsion

Country Status (1)

Country Link
CA (1) CA473987A (fr)

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