ES77876A1 - Empleo del granate, granates o granatillas, asociado o mezclado con cemento Portland, para construcción de peldaños y mesetas de escaleras.
- Google Patents
Empleo del granate, granates o granatillas, asociado o mezclado con cemento Portland, para construcción de peldaños y mesetas de escaleras.
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Individual
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Individual
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ES77876A1921-04-081921-04-08Empleo del granate, granates o granatillas, asociado o mezclado con cemento Portland, para construcción de peldaños y mesetas de escaleras.
ExpiredES77876A1
(es)
Perfeccionamientos en las vigas y demás piezas de construcción similares, empleadas en la construcción de hormigón, cemento armado y para otras análogas.