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Document Type and Number:
Japanese Patent JPS5289429
Kind Code:
U
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Application Number:
JP16178675U
Publication Date:
July 04, 1977
Filing Date:
November 30, 1975
Export Citation:
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International Classes:
B21C37/15; B21C37/08; B21D5/12; B21D31/00; (IPC1-7): B23K31/06; B21C37/08; B21D5/12
Domestic Patent References:
JPS50123073A1975-09-27



 
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