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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS4839839
Kind Code:
Y1
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Application Number:
JP1589069U
Publication Date:
November 22, 1973
Filing Date:
February 24, 1969
Export Citation:
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International Classes:
B63H5/16; B63B1/10; B63B1/12; B63H5/08; (IPC1-7): B63B1/12; B63H5/06; B63H5/16



 
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