CA25815A - Couvercle de trappe a gaz - Google Patents

Couvercle de trappe a gaz

Info

Publication number
CA25815A
CA25815A CA000025815A CA25815DA CA25815A CA 25815 A CA25815 A CA 25815A CA 000025815 A CA000025815 A CA 000025815A CA 25815D A CA25815D A CA 25815DA CA 25815 A CA25815 A CA 25815A
Authority
CA
Canada
Prior art keywords
gas trap
trap cover
cover
gas
trap
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
CA000025815A
Other languages
English (en)
Inventor
Nathan Schwab
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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA25815A publication Critical patent/CA25815A/fr
Expired legal-status Critical Current

Links

CA000025815A Couvercle de trappe a gaz Expired CA25815A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA25815T

Publications (1)

Publication Number Publication Date
CA25815A true CA25815A (fr) 1887-01-19

Family

ID=45142358

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000025815A Expired CA25815A (fr) Couvercle de trappe a gaz

Country Status (1)

Country Link
CA (1) CA25815A (fr)

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