Title:
DEVICE FOR PREVENTING AIR VALVE FROM FREEZING
Document Type and Number:
Japanese Patent JPS5549434
Kind Code:
A
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Inventors:
YAMAZAKI SADAYOSHI
Application Number:
JP12177678A
Publication Date:
April 09, 1980
Filing Date:
October 03, 1978
Export Citation:
Assignee:
YAMAZAKI SADAYOSHI
International Classes:
E03B7/10; E03B7/12; (IPC1-7): E03B7/10