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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5655120
Kind Code:
Y2
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Application Number:
JP3639375U
Publication Date:
December 22, 1981
Filing Date:
March 17, 1975
Export Citation:
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International Classes:
B64C25/54; B64C25/52; B64C27/02; B64C31/00; B64C31/02; B64C39/00; (IPC1-7): B64C31/02; B64C39/00