Machine for making grooves in the ground

Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – By means advancing along terrain and guiding pipe or cable...

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Details

405174, 299 401, F16L 100

Patent

active

059348348

ABSTRACT:
According to the invention:
said machine comprises:

REFERENCES:
patent: 3271079 (1966-09-01), Simmons
patent: 3394554 (1968-07-01), Kinnan
patent: 3408823 (1968-11-01), Okita et al.
patent: 3566932 (1971-03-01), Papenmeier
patent: 4247148 (1981-01-01), Eriksson
patent: 4331362 (1982-05-01), Talbert
patent: 4790687 (1988-12-01), Wright
patent: 5320451 (1994-06-01), Garvey et al.

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