CA293771A - Couloir a descente - Google Patents

Couloir a descente

Info

Publication number
CA293771A
CA293771A CA293771DA CA293771A CA 293771 A CA293771 A CA 293771A CA 293771D A CA293771D A CA 293771DA CA 293771 A CA293771 A CA 293771A
Authority
CA
Canada
Prior art keywords
lowering chute
chute
lowering
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
Other languages
English (en)
Inventor
Frank Pardee, Jr.
Pardee Frank
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.)
ANTHRACITE SEPARATOR Co
Original Assignee
ANTHRACITE SEPARATOR Co
Publication date
Application granted granted Critical
Publication of CA293771A publication Critical patent/CA293771A/fr
Expired legal-status Critical Current

Links

CA293771D Couloir a descente Expired CA293771A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA293771T

Publications (1)

Publication Number Publication Date
CA293771A true CA293771A (fr) 1929-10-08

Family

ID=35231089

Family Applications (1)

Application Number Title Priority Date Filing Date
CA293771D Expired CA293771A (fr) Couloir a descente

Country Status (1)

Country Link
CA (1) CA293771A (fr)

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