CA939455A - Vacuum blast cleaning apparatus - Google Patents

Vacuum blast cleaning apparatus

Info

Publication number
CA939455A
CA939455A CA138,702A CA138702A CA939455A CA 939455 A CA939455 A CA 939455A CA 138702 A CA138702 A CA 138702A CA 939455 A CA939455 A CA 939455A
Authority
CA
Canada
Prior art keywords
cleaning apparatus
blast cleaning
vacuum blast
vacuum
cleaning
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
CA138,702A
Other versions
CA138702S (en
Inventor
Ralph C. Maddocks
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.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CA138,702A priority Critical patent/CA939455A/en
Application granted granted Critical
Publication of CA939455A publication Critical patent/CA939455A/en
Expired legal-status Critical Current

Links

CA138,702A 1972-03-30 1972-03-30 Vacuum blast cleaning apparatus Expired CA939455A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA138,702A CA939455A (en) 1972-03-30 1972-03-30 Vacuum blast cleaning apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA138,702A CA939455A (en) 1972-03-30 1972-03-30 Vacuum blast cleaning apparatus

Publications (1)

Publication Number Publication Date
CA939455A true CA939455A (en) 1974-01-08

Family

ID=4092839

Family Applications (1)

Application Number Title Priority Date Filing Date
CA138,702A Expired CA939455A (en) 1972-03-30 1972-03-30 Vacuum blast cleaning apparatus

Country Status (1)

Country Link
CA (1) CA939455A (en)

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