CA493902A - Four tunnel - Google Patents

Four tunnel

Info

Publication number: CA493902A
Authority: CA; Canada
Prior art keywords: tunnel kiln; kiln; tunnel
Prior art date: 1953-06-23
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

CA493902A

Other languages

English (en)

Inventor

Van Der Pyl Edward

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.)

Saint Gobain Abrasives Inc

Original Assignee

Norton Co

Publication date

1953-06-23

1953-06-23 Application granted granted Critical

1953-06-23 Publication of CA493902A publication Critical patent/CA493902A/fr

Status Expired legal-status Critical Current

Links

CA493902A Four tunnel Expired CA493902A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA493902T

Publications (1)

Publication Number	Publication Date
CA493902A true CA493902A (fr)	1953-06-23

Family

ID=35639295

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA493902A Expired CA493902A (fr)			Four tunnel

Country Status (1)

Country	Link
CA (1)	CA493902A (fr)

0
- CA CA493902A patent/CA493902A/fr not_active Expired

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