PL42181B1 - - Google Patents

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Publication number
PL42181B1
PL42181B1 PL42181A PL4218158A PL42181B1 PL 42181 B1 PL42181 B1 PL 42181B1 PL 42181 A PL42181 A PL 42181A PL 4218158 A PL4218158 A PL 4218158A PL 42181 B1 PL42181 B1 PL 42181B1
Authority
PL
Poland
Prior art keywords
magnet
piston
flow
flow indicator
pressure
Prior art date
Application number
PL42181A
Other languages
English (en)
Polish (pl)
Filing date
Publication date
Application filed filed Critical
Publication of PL42181B1 publication Critical patent/PL42181B1/pl

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PL42181A 1958-04-26 PL42181B1 (cs)

Publications (1)

Publication Number Publication Date
PL42181B1 true PL42181B1 (cs) 1959-06-15

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