Title:
Spacing disks for jacob's ladders
Document Type and Number:
United States Patent 2834529

Inventors:
Dahlander Sr., Noel L.
Publication Date:
05/13/1958
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Referenced by:
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Assignee:
Robert, Earl J.
Primary Class:
182/198
International Classes:
B63B27/14; B63B27/00
US Patent References:
0459251
1725367Ladder
2348906Chain ladder
2371609Ladder
Foreign References:
GB336502A




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