CA197623A - Double miroir - Google Patents

Double miroir

Info

Publication number
CA197623A
CA197623A CA197623A CA197623DA CA197623A CA 197623 A CA197623 A CA 197623A CA 197623 A CA197623 A CA 197623A CA 197623D A CA197623D A CA 197623DA CA 197623 A CA197623 A CA 197623A
Authority
CA
Canada
Prior art keywords
duplex mirror
duplex
mirror
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
CA197623A
Other languages
English (en)
Inventor
Calvert Alan
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 CA197623A publication Critical patent/CA197623A/fr
Expired legal-status Critical Current

Links

CA197623A Double miroir Expired CA197623A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA197623T

Publications (1)

Publication Number Publication Date
CA197623A true CA197623A (fr) 1920-03-02

Family

ID=35072061

Family Applications (1)

Application Number Title Priority Date Filing Date
CA197623A Expired CA197623A (fr) Double miroir

Country Status (1)

Country Link
CA (1) CA197623A (fr)

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