POSC Specifications: Epicentre Version 3.0
Logical Data Model
ENTITY
CEMENT
SUBTYPE OF
(
bulk_material
);
INVERSE
pty_density_liquid :
SET [0:?] OF
pty_density_liquid
FOR
cement;
pty_yield :
SET [0:?] OF
pty_yield
FOR
cement;
UNIQUE
si:
material
.ref_existence_kind,
material
.identifier;
END_ENTITY
; (* cement *)
Generated on Tue Jul 10 19:37:38 2001
© Copyright 2001 POSC. All rights reserved.