Document Type and Number:
Japanese Patent JPS6319642
Kind Code:
B2
Inventors:
KISHIKAWA TAKESHI
Application Number:
JP9643383A
Publication Date:
April 23, 1988
Filing Date:
May 31, 1983
Export Citation:
Assignee:
SEIJU KK
International Classes:
E01C1/00; E01C5/06; E01C5/08
Previous Patent: The penetration film using a polymer, and its layered product
Next Patent: AUTOMATIC TEA FEEDER
Next Patent: AUTOMATIC TEA FEEDER