Mandatory Credit: Photo by ANL/REX/Shutterstock (1406772a) Colleagues Carry An Injured Policeman Away From The Picket Line Outside The Grunwick Plant In Willesden London. The Grunwick Dispute Was An Industrial Dispute Involving Trade Union Recognition At The Grunwick Film Processing Laboratories Which Led To A Two-year Strike Between 1976?1978. Colleagues Carry An Injured Policeman Away From The Picket Line Outside The Grunwick Plant In Willesden London. The Grunwick Dispute Was An Industrial Dispute Involving Trade Union Recognition At The Grunwick Film Processing Laboratories Which Led To
