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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5980162
Kind Code:
U
Application Number:
JP17688082U
Publication Date:
May 30, 1984
Filing Date:
November 22, 1982
Export Citation:
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International Classes:
B61C17/12; B61C3/00; B61C17/00; (IPC1-7): B61C17/00; B61C3/00
Domestic Patent References:
JPS56157662A1981-12-04