CA229986A - Fabrication de carton goudronne pour toitures - Google Patents

Fabrication de carton goudronne pour toitures

Info

Publication number: CA229986A
Authority: CA; Canada
Prior art keywords: manufacturing; roofing material; roofing
Prior art date: 1923-04-03
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

CA229986A

Other languages

English (en)

Inventor

T. Hofmann William

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

1923-04-03

1923-04-03 Application granted granted Critical

1923-04-03 Publication of CA229986A publication Critical patent/CA229986A/fr

Status Expired legal-status Critical Current

Links

238000004519 manufacturing process Methods 0.000 title 1

CA229986A Fabrication de carton goudronne pour toitures Expired CA229986A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA229986T

Publications (1)

Publication Number	Publication Date
CA229986A true CA229986A (fr)	1923-04-03

Family

ID=35127359

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA229986A Expired CA229986A (fr)			Fabrication de carton goudronne pour toitures

Country Status (1)

Country	Link
CA (1)	CA229986A (fr)

0
- CA CA229986A patent/CA229986A/fr not_active Expired

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