ISO-10303-21;
HEADER;
FILE_DESCRIPTION (( 'STEP AP203' ), '1' );
FILE_NAME ('DN250阀体.STEP', '2026-06-22T03:09:24', ( '' ), ( '' ), 'SwSTEP 2.0', 'SolidWorks 2016', '' );
FILE_SCHEMA (( 'CONFIG_CONTROL_DESIGN' ));
ENDSEC;
DATA;
#1422 = APPLICATION_CONTEXT ( 'configuration controlled 3d designs of mechanical parts and assemblies' ) ;
#3940 = MECHANICAL_CONTEXT ( 'NONE', #29979, 'mechanical' ) ;
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#17369 = PRODUCT_DEFINITION ( '未知', '', #24322, #19575 ) ;
#18261 =( LENGTH_UNIT ( ) NAMED_UNIT ( * ) SI_UNIT ( .MILLI., .METRE. ) );
#19575 = DESIGN_CONTEXT ( 'detailed design', #1422, 'design' ) ;
#20067 = PRODUCT_DEFINITION_SHAPE ( 'NONE', 'NONE', #17369 ) ;
#20573 = APPLICATION_PROTOCOL_DEFINITION ( 'international standard', 'config_control_design', 1994, #1422 ) ;
#20825 = PRODUCT ( 'DN250阀体', 'DN250阀体', '', ( #3940 ) ) ;
#22140 = PRODUCT_RELATED_PRODUCT_CATEGORY ( 'detail', '', ( #20825 ) ) ;
#23038 = APPLICATION_PROTOCOL_DEFINITION ( 'international standard', 'config_control_design', 1994, #29979 ) ;
#23142 =( NAMED_UNIT ( * ) SI_UNIT ( $, .STERADIAN. ) SOLID_ANGLE_UNIT ( ) );
#24322 = PRODUCT_DEFINITION_FORMATION_WITH_SPECIFIED_SOURCE ( '任何', '', #20825, .NOT_KNOWN. ) ;
#25324 =( NAMED_UNIT ( * ) PLANE_ANGLE_UNIT ( ) SI_UNIT ( $, .RADIAN. ) );
#29979 = APPLICATION_CONTEXT ( 'configuration controlled 3d designs of mechanical parts and assemblies' ) ;
ENDSEC;
END-ISO-10303-21;