CA411557A - Dispositif a nettoyer les filtres a sable - Google Patents

Dispositif a nettoyer les filtres a sable

Info

Publication number
CA411557A
CA411557A CA411557A CA411557DA CA411557A CA 411557 A CA411557 A CA 411557A CA 411557 A CA411557 A CA 411557A CA 411557D A CA411557D A CA 411557DA CA 411557 A CA411557 A CA 411557A
Authority
CA
Canada
Prior art keywords
cleaning device
sand filter
filter cleaning
sand
filter
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
CA411557A
Other languages
English (en)
Inventor
Edward Fraser 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.)
CALCO CHEMICAL Co
Wyeth Holdings LLC
Filtration Equipment Corp
Original Assignee
CALCO CHEMICAL Co
Filtration Equipment Corp
American Cyanamid Co
Publication date
Application granted granted Critical
Publication of CA411557A publication Critical patent/CA411557A/fr
Expired legal-status Critical Current

Links

CA411557A Dispositif a nettoyer les filtres a sable Expired CA411557A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA411557T

Publications (1)

Publication Number Publication Date
CA411557A true CA411557A (fr) 1943-03-30

Family

ID=35422860

Family Applications (1)

Application Number Title Priority Date Filing Date
CA411557A Expired CA411557A (fr) Dispositif a nettoyer les filtres a sable

Country Status (1)

Country Link
CA (1) CA411557A (fr)

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