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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS50136031
Kind Code:
A
Application Number:
JP3542774A
Publication Date:
October 28, 1975
Filing Date:
March 28, 1974
Export Citation:
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International Classes:
G03C7/42; G03C5/38; (IPC1-7): G03C5/38
Domestic Patent References:
JPS495535A1974-01-18
JPS495630A1974-01-18
JP45008836A
JPS46556A
JPS495335A1974-01-18
Foreign References:
GB1192481A1970-05-20



 
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