"RDF description of \u5C39\u932B\u8FB0" . . . . . "(\uC804) \uC0C8\uB204\uB9AC\uB2F9 \uC778\uCC9C \uB0A8\uAD6C\uC744\uB2F9\uD611 \uC5EC\uC131\uBD80\uC7A5" . "\uB4F1\uB85D" . "52" . "29648" . "\uC5EC" . "\uB2E8\uAD6D\uB300\uD559\uAD50 \uACBD\uC601\uD559 \uC11D\uC0AC" . "\uC724\uC11D\uC9C4" . "\uC724\uC11D\uC9C4" . . "\u5C39\u932B\u8FB0"@zh . . . "\u5C39\u932B\u8FB0"@zh . "\uC5EC" . "19610925" . "\uC8FC) d.r valve \uCD1D\uBB34\uC774\uC0AC" . "19610925" . "(\uD604)\uC790\uC804\uAC70\uC0AC\uB791 \uC804\uAD6D\uC5F0\uD569\uD68C \uC778\uCC9C\uAD11\uC5ED\uC2DC\uBCF8\uBD80 \uB0A8\uAD6C\uC9C0\uD68C\uC7A5" . "\uC724\uC11D\uC9C4" . "52" .