Assertion: flipper's portion | /r/HasProperty | 501 of the extensible element
Facets:
Source sentences:
text: As an alternative to the fitting of the terminal portions 501 of the extensible element 5 into the seats 203, it could be provided for other mechanical fixing systems for the ends of said extensible element to the protruding elements, for instance screws, pins or others which, anyway, would allow its removal.