| 摘要 |
<p>The guide (1) has two channels (10a, 10b) for receiving end of one of two films (F1, F2) equipped of engagement units (P1, P2). The channels have separate and convergent orifices along perpendicular direction towards an outlet having common chamber to receive the units (P1, P2) of films in assembled position, where the chamber is extended by two respective rabbets for receiving respective films.</p> |
