Document Type and Number:
Japanese Patent JPH0462857
Kind Code:
B2
Inventors:
MASUDA KINZO
KAWAI TAMOTSU
UEHARA SHIGERU
KAWAI TAMOTSU
UEHARA SHIGERU
Application Number:
JP3248088A
Publication Date:
October 07, 1992
Filing Date:
February 15, 1988
Export Citation:
Assignee:
KANEGAFUCHI CHEMICAL IND
International Classes:
E01C3/00; B32B5/18; E04B1/94
Next Patent: OBSERVING AND ANALYZING METHOD FOR FOREIGN OBJECT