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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS63139583
Kind Code:
U
Application Number:
JP3048487U
Publication Date:
September 14, 1988
Filing Date:
March 04, 1987
Export Citation:
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International Classes:
G04B37/11; G04B37/08; G04B37/16; G04B37/18; G04B39/02; (IPC1-7): G04B37/11; G04B37/16
Domestic Patent References:
JPS61129192U1986-08-13
JPS6167588U1986-05-09
JPS4991360U1974-08-07
JPS61178496U1986-11-07
JPS6195270A1986-05-14