CA493902A - Four tunnel - Google Patents

Four tunnel

Info

Publication number
CA493902A
CA493902A CA493902A CA493902DA CA493902A CA 493902 A CA493902 A CA 493902A CA 493902 A CA493902 A CA 493902A CA 493902D A CA493902D A CA 493902DA CA 493902 A CA493902 A CA 493902A
Authority
CA
Canada
Prior art keywords
tunnel kiln
kiln
tunnel
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
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
Application granted granted Critical
Publication of CA493902A publication Critical patent/CA493902A/fr
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)

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