Document Type and Number:
Japanese Patent JPS4947645
Kind Code:
U
Application Number:
JP8781572U
Publication Date:
April 25, 1974
Filing Date:
July 27, 1972
Export Citation:
International Classes:
G01B5/00; E01D2/00; E01D21/00; E01D22/00; (IPC1-7): G01B5/00; E01D23/00
Domestic Patent References:
| JPS292570Y1 |