CA228183A - Mur a vide - Google Patents

Mur a vide

Info

Publication number
CA228183A
CA228183A CA228183A CA228183DA CA228183A CA 228183 A CA228183 A CA 228183A CA 228183 A CA228183 A CA 228183A CA 228183D A CA228183D A CA 228183DA CA 228183 A CA228183 A CA 228183A
Authority
CA
Canada
Prior art keywords
hollow wall
hollow
wall
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
CA228183A
Other languages
English (en)
Inventor
Heath Frederick
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 CA228183A publication Critical patent/CA228183A/fr
Expired legal-status Critical Current

Links

CA228183A Mur a vide Expired CA228183A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA228183T

Publications (1)

Publication Number Publication Date
CA228183A true CA228183A (fr) 1923-01-23

Family

ID=35123786

Family Applications (1)

Application Number Title Priority Date Filing Date
CA228183A Expired CA228183A (fr) Mur a vide

Country Status (1)

Country Link
CA (1) CA228183A (fr)

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