Title:
Method of applying pressure to the surface of newly formed concrete or like cementitious products
United States Patent 2709845

Inventors:
Wilhelm, Serkin
Publication Date:
06/07/1955
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Assignee:
ROCLA PIPES LTD
Primary Class:
Other Classes:
264/570, 264/314, 264/228, 264/266, 138/174, 425/387.100, 264/516, 425/111, 264/DIG.043, 264/315, 264/256
International Classes:
B28B21/60; B28B21/94; B28B21/00