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Precast concrete service boxes on underground distribution lines
Precast service boxes make it possible to build distribution system with minimum delay to traffic and interference of abutting property owners, since no time is lost in waiting for concrete to harden before conduit lines can be built into them.
Precast concrete service boxes on underground distribution lines
Precast service boxes make it possible to build distribution system with minimum delay to traffic and interference of abutting property owners, since no time is lost in waiting for concrete to harden before conduit lines can be built into them.
Precast concrete service boxes on underground distribution lines
Elec. World
Shaw, C.H. (Autor:in)
Electrical World ; 93
1929
2 Figs.
Aufsatz (Zeitschrift)
Englisch
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