Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1975-04-09
1977-04-19
Lanham, C.W.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
165167, B23P 1526
Patent
active
040179532
ABSTRACT:
A method of making a heat exchanger consisting of a conduit having a plurality of passes joined by integral return bends which comprises
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Ciba-Geigy Corporation
Falber Harry
Lanham C.W.
Rising V.
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