Title:
【考案の名称】さく岩機の回転用油圧回路
Document Type and Number:
Japanese Patent JPS59160685
Kind Code:
U
Inventors:
Yoshioka sequentially
Application Number:
JP4401283U
Publication Date:
October 27, 1984
Filing Date:
March 25, 1983
Export Citation:
International Classes:
E21B1/26; E21B1/00; F15B11/04; (IPC1-7): E21C3/20; F15B11/04
Domestic Patent References:
| JP53119401B |
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