Fluidized non-standard assembly window

The present invention relates to a prefabricated crime prevention window frame installed and used on a window frame of an apartment or a house. The present invention relates to the prefabricated crime prevention window frame which anyone can easily assemble and install on a window of a non-uniform s...

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1. Verfasser: OK, JIN HO
Format: Patent
Sprache:eng ; kor
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