Title:
BLOCK MAKING MACHINE
United States Patent 3426404
Inventors:
Yamasita, Keniti
Yamasita, Zyozi
Publication Date:
02/11/1969
Export Citation:
Assignee:
Keniti, Yamasita
Zyozi, Yamasita
Primary Class:
Other Classes:
425/421, 425/422, 425/424, 425/432, 425/434, 425/453
International Classes:
B28B3/02; B28B3/02; (IPC1-7): B28B1/08
View Patent Images:
US Patent References:
Foreign References:
CA711174A




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