Document Type and Number:
Japanese Patent JPS5198807
Kind Code:
A
Application Number:
JP2343275A
Publication Date:
August 31, 1976
Filing Date:
February 27, 1975
Export Citation:
International Classes:
E01B25/28; B61J1/00; (IPC1-7): B61J1/00
Domestic Patent References:
JP50097112B | ||||
JPS4950808A | 1974-05-17 | |||
JPS4950608A | 1974-05-16 |