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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS50140359
Kind Code:
A
Application Number:
JP4821674A
Publication Date:
November 11, 1975
Filing Date:
April 27, 1974
Export Citation:
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International Classes:
E04F13/04; B21D31/04; B21D47/00; E04F13/08; (IPC1-7): B21D47/00; E04F13/08
Domestic Patent References:
JPS4934240B11974-09-12



 
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