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Diaphragm-type mud pump
US 2,703,055 A
Filed
: 07/11/1951
Issued
: 03/01/1955
Est. Priority Date
: 07/21/1950
Status: Expired due to Term
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Current Assignee
Heeckeren Willem Jan Van
,
Jan Veth
Original Assignee
Heeckeren Willem Jan Van
,
Jan Veth
Inventors
Veth, Jan
,
HEECKEREN WILLEM JAN VAN
Application Number
US03/236,136
Time in Patent Office
1,329 Days
Field of Search
US Class Current
417/205
CPC Class Codes
F04B 43/0736
with two or more pumping ch...
Y10S 417/90
Slurry pumps, e.g. concrete
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