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SKELETON (TRANSPARENT) ROOF OF LODGING AND RESIDENCE (DESIRABLE IN TWO-LAYER STRUCTURE ROOF OF HAVING CONVENTIONAL CLOSING TYPE OPENABLE-CLOSABLE ROOF ON THE OUTSIDE, IF POSSIBLE)
SKELETON (TRANSPARENT) ROOF OF LODGING AND RESIDENCE (DESIRABLE IN TWO-LAYER STRUCTURE ROOF OF HAVING CONVENTIONAL CLOSING TYPE OPENABLE-CLOSABLE ROOF ON THE OUTSIDE, IF POSSIBLE)
PROBLEM TO BE SOLVED: To provide strength endurable against snowfall only by an inside skeleton roof.;SOLUTION: A skeleton roof is hardened.;COPYRIGHT: (C)2016,JPO&INPIT
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