Modular block for retaining wall

Details Modular block for retaining wall Modular block for retaining wall

1989-02-28

1990-12-25

Word, A. Hugo

Building units and construction elements

Architectural stock material

Construction block or brick type

Patent

active

D03132803

REFERENCES:
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patent: D279030 (1985-05-01), Risi et al.
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Munich II, Interlocking Paving Stone, KNR--Durastone Ltd., Georgetown, Ontario, Canada, published before Feb. 28, 1988.

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