CA309252A - Four a tunnel - Google Patents

Four a tunnel

Info

Publication number
CA309252A
CA309252A CA309252A CA309252DA CA309252A CA 309252 A CA309252 A CA 309252A CA 309252 A CA309252 A CA 309252A CA 309252D A CA309252D A CA 309252DA CA 309252 A CA309252 A CA 309252A
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
CA309252A
Other languages
English (en)
Inventor
Francis Geiger Charles
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.)
Unifrax I LLC
Original Assignee
Carborundum Co
Publication date
Application granted granted Critical
Publication of CA309252A publication Critical patent/CA309252A/fr
Expired legal-status Critical Current

Links

CA309252A Four a tunnel Expired CA309252A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA309252T

Publications (1)

Publication Number Publication Date
CA309252A true CA309252A (fr) 1931-03-10

Family

ID=35268575

Family Applications (1)

Application Number Title Priority Date Filing Date
CA309252A Expired CA309252A (fr) Four a tunnel

Country Status (1)

Country Link
CA (1) CA309252A (fr)

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