Assembly of boards
United States Patent 3085301

Inventors:
Enzio, Nuorivaara
Publication Date:
04/16/1963
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Assignee:
Enzio, Nuorivaara
Primary Class:
Other Classes:
29/433, 52/461, 29/525.040, 29/432, 52/471
International Classes:
E04F13/08; E04F19/06; E04F19/02
US Patent References:
2735146
2825101Joint construction
Foreign References:
DE524219C