FR32385E -
Apparatus and devices for the connection, distribution and sub-distribution of underground and overhead-underground telephone networks
- Google Patents
Apparatus and devices for the connection, distribution and sub-distribution of underground and overhead-underground telephone networks
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H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
H02G3/22—Installations of cables or lines through walls, floors or ceilings, e.g. into buildings
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Structural Engineering
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FR32385D1926-10-091926-10-09
Apparatus and devices for the connection, distribution and sub-distribution of underground and overhead-underground telephone networks
ExpiredFR32385E
(en)