CA475194A - Bruleurs a gaz - Google Patents

Bruleurs a gaz

Info

Publication number
CA475194A
CA475194A CA475194A CA475194DA CA475194A CA 475194 A CA475194 A CA 475194A CA 475194 A CA475194 A CA 475194A CA 475194D A CA475194D A CA 475194DA CA 475194 A CA475194 A CA 475194A
Authority
CA
Canada
Prior art keywords
railroad switch
switch heaters
heaters
railroad
switch
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
CA475194A
Other languages
English (en)
Inventor
L. Garretson Owen
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.)
Phillips Petroleum Co
Original Assignee
Phillips Petroleum Co
Publication date
Application granted granted Critical
Publication of CA475194A publication Critical patent/CA475194A/fr
Expired legal-status Critical Current

Links

CA475194A Bruleurs a gaz Expired CA475194A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA475194T

Publications (1)

Publication Number Publication Date
CA475194A true CA475194A (fr) 1951-07-10

Family

ID=35609178

Family Applications (1)

Application Number Title Priority Date Filing Date
CA475194A Expired CA475194A (fr) Bruleurs a gaz

Country Status (1)

Country Link
CA (1) CA475194A (fr)

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