Machines not elsewhere specified – Pump or compressor
Patent
1994-09-06
1996-07-09
Seifert, Ralf
Machines not elsewhere specified
Pump or compressor
Patent
active
D03715620
REFERENCES:
patent: 56347 (1920-10-01), Farmer
patent: D286781 (1986-11-01), Collyear et al.
patent: D295753 (1988-05-01), La Bair
patent: 4923373 (1990-05-01), Rothaar et al.
Seifert Ralf
Spiegel H. Jay
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