CA223806A - Pierre artificielle poreuse - Google Patents

Pierre artificielle poreuse

Info

Publication number
CA223806A
CA223806A CA223806A CA223806DA CA223806A CA 223806 A CA223806 A CA 223806A CA 223806 A CA223806 A CA 223806A CA 223806D A CA223806D A CA 223806DA CA 223806 A CA223806 A CA 223806A
Authority
CA
Canada
Prior art keywords
light
cement stone
artificial cement
weight artificial
weight
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
CA223806A
Other languages
English (en)
Inventor
Walter Ernest
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 CA223806A publication Critical patent/CA223806A/fr
Expired legal-status Critical Current

Links

CA223806A Pierre artificielle poreuse Expired CA223806A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA223806T

Publications (1)

Publication Number Publication Date
CA223806A true CA223806A (fr) 1922-09-19

Family

ID=35119409

Family Applications (1)

Application Number Title Priority Date Filing Date
CA223806A Expired CA223806A (fr) Pierre artificielle poreuse

Country Status (1)

Country Link
CA (1) CA223806A (fr)

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